The compression process is as follows:
1. Check the file names and batch-check the file names you want to compress in rar.
2. Click Add in the toolbar and click the Add button.
3. Set parameters and click OK to set the compressed file name, check the compressed file format as rar, select the compression method as standard, and click the OK button.
4. View the RAR file and wait for the compression to complete. Enter the set directory to view the compressed Rar file.
RAR is a patented file format used for data compression and archiving. The developer is Eugene Rochelle (Russian: ЕвгенийЛазаревичРошал, Latin transliteration: Yevgeny Lazarevich Roshal). The full name of RAR is " RoshalARchive", which means "Rochelle's archive". The first public version, RAR1.3, was released in 1993.